Home / 1,148.16-1,595.48-1,136.32

Finding the Fourth Proportional to 1,148.16, 1,595.48 and 1,136.32

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Solution

The fourth proportional to 1,148.16, 1,595.48 and 1,136.32 is: 1,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.16 : 1,595.48 = 1,136.32 : x
  2. Step 2: Convert to fraction form
    1,148.16/1,595.48 = 1,136.32/x
  3. Step 3: Cross multiply
    1,148.16x = 1,595.48 × 1,136.32
  4. Step 4: Simplify right side
    1,148.16x = 1,812,975.83
  5. Step 5: Solve for x
    x = 1,812,975.83/1,148.16
  6. Step 6: Final answer
    x = 1,579.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.